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How can you add different type of data in a stack?
stack is a linear data structure in which data item is either inserted or deleted at one end there are mainly two operations performed on stack.they're push poppush:writing a value to the stack is push or moving the stack pointer up to accomodatethe new item. pop:reading a value from stack or moving the stack pointer down.
What is data structure why is an array called a data structure which are the other data structures?
A data structure is a collection of more than one elementary item, in some kind of aggregate organization. An array is a type of structure where more than one item of the same type are arranged serially in memory, and accessed using an index. The item can either be an elementary type or it itself can be a structure type. A struct (not to be confused with the use of "structure" in this answer) is a type of structure where more than one item of the same or different types are arranged serially in memory, and accessed using the structure member (.) operator. A union is similar to a struct, except that each member occupies the same address. This means that only one type of data can be stored at any one time in a union. A self-referential structure is a type of structure, usually constructed of simpler structures, linked together with some kind of pointer scheme. Examples of this are the linked list and tree.
How is the stack and stack pointer work?
A stack is a data structure in which last item inserted is taken out first . That's why they are known as LIFO (last in first out). Inserting an item in stack is termed as push and taking an item out from stack I s termed as pop. Stack pointer is the pointer that points to the top of the stack or that points the item at the top of the stack and help in adding or deleting the item from the top of stack.
What is the difference between a data type and a data structure?
Data type can be regarded as data structure because we can define our own data type by using typed function. Data types are the category in which the variable are listed to hold the specific value and data structures are the way in which the values and variables are stored in the memory. The use of a data type called structures allows a collection of values possibly of different types to be treated as a single item. Each data structure is built up from the basic data types of the underlying programming language using the available data structuring facilities, such as arrays & pointers
Difference between linear n nonlinear data structures?
A data structure is linear if every item is related (or attatched) to its previous and next item(e.g.array, linked list) and it is non-linear if every item is attached to many other items in specific ways to reflect relationships(e.g, n-ary tree). In linear data structure data items are arranged in a linear sequence. In non-linear data structure data items are not in a sequence. A different Opinion (learnt while watching a video on Data Structures) is that Linear data structures are the Data structures implemented using arrays (with consecutive data allocation for each member of the array) while Non Linear Data Structure refers to an implementation in terms of use of pointers (such as a linked list). --Research Reqd.--
